Home / 55,702.49-76,873.66-31,830.17

Finding the Fourth Proportional to 55,702.49, 76,873.66 and 31,830.17

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Solution

The fourth proportional to 55,702.49, 76,873.66 and 31,830.17 is: 43,928.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,702.49 : 76,873.66 = 31,830.17 : x
  2. Step 2: Convert to fraction form
    55,702.49/76,873.66 = 31,830.17/x
  3. Step 3: Cross multiply
    55,702.49x = 76,873.66 × 31,830.17
  4. Step 4: Simplify right side
    55,702.49x = 2,446,901,202.38
  5. Step 5: Solve for x
    x = 2,446,901,202.38/55,702.49
  6. Step 6: Final answer
    x = 43,928.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.